Command line utility for gathering SQL Server information
Change connection string in configuration file and start utility to gather static and statistical information on SQL Server, databases and queries.
Short example of using:
https://www.arbinada.com/en/node/1522
Firebird 2.5 is required at least
Monitor and trace Firebird activity on Windows and Linux.
Let DBA to get the traces and send them to you when you can't access to production server.
Watch query duration and plan.